<template>
  <div :class="{ 'has-logo': showLogo }">
    <logo v-if="showLogo" :collapse="isCollapse" />
    <el-scrollbar wrap-class="scrollbar-wrapper">
      <el-menu
        :default-active="activeMenu"
        :collapse="isCollapse"
        :background-color="variables.menuBg"
        :text-color="variables.menuText"
        :unique-opened="false"
        :active-text-color="variables.menuActiveText"
        :collapse-transition="false"
        mode="vertical"
      >
        <sidebar-item
          v-for="route in menuList"
          :key="route.path"
          :item="route"
          :base-path="route.path"
          :show-title="isCollapse"
        />
      </el-menu>
    </el-scrollbar>
  </div>
</template>

<script>
import { mapGetters } from 'vuex'
import Logo from './Logo'
import SidebarItem from './SidebarItem'
import variables from '@/styles/variables.scss'

export default {
  components: { SidebarItem, Logo },
  props: { isCollapse: { type: Boolean, default: true, } },
  computed: {
    ...mapGetters(['permission_routes', 'sidebar']),
    activeMenu() {
      const route = this.$route
      const { meta, path } = route
      // if set path, the sidebar will highlight the path you set
      if (meta.activeMenu) {
        return meta.activeMenu
      }
      return path
    },
    showLogo() {
      return this.$store.state.settings.sidebarLogo
    },
    variables() {
      return variables
    },
  },
  data() {
    return {
      menuList: [],
    }
  },
  watch: {
    permission_routes: {
      handler(newR, oldR) {
        this.menuList = [];
        newR && newR.forEach(item => {
          const menu = JSON.parse(JSON.stringify(item));
          if (menu.children && menu.children.length) {
            menu.children.reverse();
          }
          this.menuList.unshift(menu)
        });
      },
      immediate: true,
      deep: true,
    },
  }
}
</script>

<style lang="scss">
.sidebar-container {
  position: absolute;
  transition: width 0.28s;
}
</style>